Nightlight



FIG. 1 is a front perspective view of a nightlight showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

In the drawings, the broken lines depict portions of the nightlight which form no part of the claimed design. 

CLAIM The ornamental design for a nightlight, as shown and described. 